wcsmbs/uchar.h

   1 /* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /*
  20  *      ISO C11 Standard: 7.28
  21  *      Unicode utilities       <uchar.h>
  22  */
  23
  24 #ifndef _UCHAR_H
  25 #define _UCHAR_H        1
  26
  27 #include <features.h>
  28
  29 #define __need_size_t
  30 #include <stddef.h>
  31 #define __need_mbstate_t
  32 #include <wchar.h>
  33
  34 #ifndef __mbstate_t_defined
  35 __BEGIN_NAMESPACE_C99
  36 /* Public type.  */
  37 typedef __mbstate_t mbstate_t;
  38 __END_NAMESPACE_C99
  39 # define __mbstate_t_defined 1
  40 #endif
  41
  42
  43 #if defined __GNUC__ && !defined __USE_ISOCXX11
  44 /* Define the 16-bit and 32-bit character types.  Use the information
  45    provided by the compiler.  */
  46 # if !defined __CHAR16_TYPE__ || !defined __CHAR32_TYPE__
  47 #  if defined __STDC__ && __STDC__ < 201000L
  48 #   error "<uchar.h> requires ISO C11 mode"
  49 #  else
  50 #   error "definitions of __CHAR16_TYPE__ and/or __CHAR32_TYPE__ missing"
  51 #  endif
  52 # endif
  53 typedef __CHAR16_TYPE__ char16_t;
  54 typedef __CHAR32_TYPE__ char32_t;
  55 #endif
  56
  57
  58 __BEGIN_DECLS
  59
  60 /* Write char16_t representation of multibyte character pointed
  61    to by S to PC16.  */
  62 extern size_t mbrtoc16 (char16_t *__restrict __pc16,
  63                         __const char *__restrict __s, size_t __n,
  64                         mbstate_t *__restrict __p) __THROW;
  65
  66 /* Write multibyte representation of char16_t C16 to S.  */
  67 extern size_t c16rtomb (char *__restrict __s, char16_t __c16,
  68                         mbstate_t *__restrict __ps) __THROW;
  69
  70
  71
  72 /* Write char32_t representation of multibyte character pointed
  73    to by S to PC32.  */
  74 extern size_t mbrtoc32 (char32_t *__restrict __pc32,
  75                         __const char *__restrict __s, size_t __n,
  76                         mbstate_t *__restrict __p) __THROW;
  77
  78 /* Write multibyte representation of char32_t C32 to S.  */
  79 extern size_t c32rtomb (char *__restrict __s, char32_t __c32,
  80                         mbstate_t *__restrict __ps) __THROW;
  81
  82 __END_DECLS
  83
  84 #endif  /* uchar.h */